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457154121386 = 21229284365419
BaseRepresentation
bin1101010011100001000…
…00100100111010101010
31121200222212010120012102
412221300200210322222
524442222423341021
6550002543213402
745012463626344
oct6516040447252
91550885116172
10457154121386
11166972646766
1274723ba7262
13341565c6a91
14181aaacc294
15bd5939d00b
hex6a70824eaa

457154121386 has 16 divisors (see below), whose sum is σ = 686541031200. Its totient is φ = 228307249968.

The previous prime is 457154121383. The next prime is 457154121397. The reversal of 457154121386 is 683121451754.

It is a self number, because there is not a number n which added to its sum of digits gives 457154121386.

It is not an unprimeable number, because it can be changed into a prime (457154121383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6955385 + ... + 7020803.

It is an arithmetic number, because the mean of its divisors is an integer number (42908814450).

Almost surely, 2457154121386 is an apocalyptic number.

457154121386 is a deficient number, since it is larger than the sum of its proper divisors (229386909814).

457154121386 is a wasteful number, since it uses less digits than its factorization.

457154121386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69493.

The product of its digits is 806400, while the sum is 47.

The spelling of 457154121386 in words is "four hundred fifty-seven billion, one hundred fifty-four million, one hundred twenty-one thousand, three hundred eighty-six".

Divisors: 1 2 1229 2458 2843 5686 65419 130838 3494047 6988094 80399951 160799902 185986217 371972434 228577060693 457154121386